Catalina

Office for Mac 2011 is not compatible with Catalina.

Options include:

You can either subscribe to Office 365 or you can make a one-time purchase. See: https://products.office.com/en-us/buy/compare-microsoft-office-products-for-mac?ms.officeurl=mac-compare-redir

Or the free Microsoft Office on the web: https://products.office.com/en-us/free-office-online-for-the-web

Or Google Docs: https://www.google.com/docs/about/

Other options include using the free and very good Libre Office https://www.libreoffice.org/

or Apple's Pages and Numbers

Chanthavong09 Said:

"Catalina: I have lost my Microsoft word 2011 after installing Catalina !!! What now?"

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Contact Microsoft Support:

They are the developer’s of the software.

Start Here:  Microsoft Contact Us Virtual Agent - Microsoft Support